DE602006014722D1 - LEATHER TREATMENT AND MEDIUM - Google Patents

LEATHER TREATMENT AND MEDIUM

Info

Publication number
DE602006014722D1
DE602006014722D1 DE602006014722T DE602006014722T DE602006014722D1 DE 602006014722 D1 DE602006014722 D1 DE 602006014722D1 DE 602006014722 T DE602006014722 T DE 602006014722T DE 602006014722 T DE602006014722 T DE 602006014722T DE 602006014722 D1 DE602006014722 D1 DE 602006014722D1
Authority
DE
Germany
Prior art keywords
medium
leather treatment
salts
leather
treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602006014722T
Other languages
German (de)
Inventor
Leonardus Strijbos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TFL Ledertechnik GmbH and Co KG
Original Assignee
TFL Ledertechnik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TFL Ledertechnik GmbH and Co KG filed Critical TFL Ledertechnik GmbH and Co KG
Publication of DE602006014722D1 publication Critical patent/DE602006014722D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

D-Isoascorbic acid or one of its salts, as such or as a constituent of a liquid or solid formulation, is an effective agent for reducing the amount of Cr(VI) compounds in leathers tanned with Cr(III) salts by treatment of the leather in an aqueous liquor after tanning or finishing or of a commodity article with an aqueous solution.
DE602006014722T 2005-11-29 2006-11-27 LEATHER TREATMENT AND MEDIUM Active DE602006014722D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH18962005 2005-11-29
PCT/EP2006/068942 WO2007063047A1 (en) 2005-11-29 2006-11-27 Leather treatment and agent

Publications (1)

Publication Number Publication Date
DE602006014722D1 true DE602006014722D1 (en) 2010-07-15

Family

ID=37875785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006014722T Active DE602006014722D1 (en) 2005-11-29 2006-11-27 LEATHER TREATMENT AND MEDIUM

Country Status (8)

Country Link
US (1) US8357207B2 (en)
EP (1) EP1954840B1 (en)
CN (1) CN101316938B (en)
AT (1) ATE469988T1 (en)
BR (1) BRPI0619189B1 (en)
DE (1) DE602006014722D1 (en)
ES (1) ES2343864T3 (en)
WO (1) WO2007063047A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2376412T3 (en) * 2008-03-13 2012-03-13 Basf Se PROCEDURE FOR THE PRODUCTION OF BODY WITH TREND REDUCED TO YELLOW.
US10358686B2 (en) 2014-08-04 2019-07-23 Citizen Watch Co., Ltd. Leather or leather article and method for producing same, hexavalent chromium treatment agent, method for treating hexavalent chromium in crude leather or crude leather article
EP3409795B1 (en) * 2016-01-29 2020-04-01 Citizen Watch Co., Ltd. Method for producing reptile leather or leather product using hexavalent chromium treatment agent, and reptile leather or leather product using hexavalent chromium treatment agent
WO2017131139A1 (en) * 2016-01-29 2017-08-03 シチズン時計株式会社 Hexavalent chromium treatment agent, and leather or leather product using same
ES2887730T3 (en) * 2017-03-10 2021-12-27 Citizen Watch Co Ltd Powdered composition for the treatment of hexavalent chromium, compressed and method for producing leather
CN112251011B (en) * 2020-09-18 2022-05-24 东莞市雄林新材料科技股份有限公司 Light-stable TPU composite material and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520980A (en) * 1975-08-08 1978-08-09 Canadian Patents Dev Coating of potatoes to prevent greening
US4348201A (en) * 1979-05-11 1982-09-07 Seitetsu Kagaku Co., Ltd. Tanning process and tanning compositions
DE19516957C2 (en) * 1995-05-12 2000-07-13 Stockhausen Chem Fab Gmbh Water-soluble copolymers and process for their preparation and their use
US5895781A (en) 1997-12-22 1999-04-20 S. C. Johnson & Son, Inc. Cleaning compositions for ceramic and porcelain surfaces and related methods
AUPP146598A0 (en) 1998-01-21 1998-02-12 Health And Hygiene International Pty Ltd Fruit and vegetable wash
US6290866B1 (en) * 1999-01-25 2001-09-18 Rohm And Haas Company Leather coating binder and coated leather having good embossability and wet-flex endurance
DE10031545A1 (en) 2000-06-28 2002-01-10 Cognis Deutschland Gmbh Use of hydrolysates of vegetable tannins to stabilize chromium III against oxidation in chrome-tanned leather
DE10249077A1 (en) * 2002-10-21 2004-04-29 Basf Ag Process for the production of leather
CN1256444C (en) * 2004-08-20 2006-05-17 四川大学 Treatment process for reducing content of hexavalence chromate in leather

Also Published As

Publication number Publication date
WO2007063047A1 (en) 2007-06-07
CN101316938A (en) 2008-12-03
BRPI0619189B1 (en) 2016-07-12
EP1954840A1 (en) 2008-08-13
EP1954840B1 (en) 2010-06-02
BRPI0619189A2 (en) 2011-09-13
ATE469988T1 (en) 2010-06-15
ES2343864T3 (en) 2010-08-11
CN101316938B (en) 2013-03-27
US20090249554A1 (en) 2009-10-08
US8357207B2 (en) 2013-01-22

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